Rennell weather in October 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rennell in October. Check more long-term weather averages for Rennell in October before you book your next holiday to Solomon Islands in 2025/2026.

  • 31°C maximum daytime temperature in October in Rennell31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in October in Rennell15
    15 days with some rainfall
  • 23°C minimum night-time temperature in October in Rennell23
    23°C min night temperature
  • 12 hours of daylight per day in October in Rennell12
    12 hours of daylight per day
  • High heat & humidity in October in RennellH
    High heat & humidity
  • 180 mm monthly rainfall in October in Rennell180
    180 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Rennell11
    11+ (Extreme) UV index
  • 28°C sea temperature in October in Rennell28
    28°C sea temperature

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The October weather guide for Solomon Islands (Rennell) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Rennell in October?

Daytime temperatures usually reach 31°C in Rennell in October with high heat and humidity, falling to 23°C at night.

How sunny is it in Rennell in October?

There are normally 7 hours of bright sunshine each day in Rennell in October - that's 54% of daylight hours.

How warm is the sea around Rennell in October?

The average sea temperature around Rennell in October is 28°C.

Does it rain in Rennell in October?

There are usually 15 days with some rain in Rennell in October and the average monthly rainfall is 180mm.

Rennell October sunrise & sunset times

Browse the sunrise and sunset times for Rennell in October 2025. Select a month to view Rennell sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:04 18:15
Thursday, 16th October 2025 05:55 18:16
Friday, 31st October 2025 05:48 18:19

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